Overview
The L7815ABP is a member of the L78 series of three-terminal positive voltage regulators produced by STMicroelectronics. This regulator is available in the TO-220FP package and is designed to provide a fixed output voltage of 15V. It is highly versatile and can be used in a wide range of applications due to its robust features and protections.
The L7815ABP is capable of delivering an output current up to 1.5 A, making it suitable for various power supply needs. It incorporates internal current limiting, thermal shut-down, and safe area protection, ensuring reliable and safe operation even under adverse conditions.
Key Specifications
| Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Output Voltage (VO) | TJ = 25°C | 14.7 | 15 | 15.3 | V |
| Output Voltage (VO) | IO = 5 mA to 1 A, VI = 17.9 to 30 V | 14.4 | 15 | 15.6 | V |
| Line Regulation (∆VO) | VI = 17.9 to 30 V, IO = 500 mA | 13 | - | 150 | mV |
| Load Regulation (∆VO) | IO = 5 mA to 1.5 A | 30 | - | 100 | mV |
| Quiescent Current (Iq) | TJ = 25°C | - | 8 | - | mA |
| Input Voltage (VI) | - | - | - | 35 V (for VO = 5 to 18 V), 40 V (for VO = 20, 24 V) | V |
| Operating Temperature Range | - | -40 | - | 125 | °C |
| Storage Temperature Range | - | -65 | - | 150 | °C |
Key Features
- Output current up to 1.5 A
- Fixed output voltage of 15 V
- Thermal overload protection
- Short circuit protection
- Output transition SOA protection
- 2% output voltage tolerance (A version)
- Guaranteed operation in extended temperature range (-40°C to 125°C)
- Available in TO-220FP package
- Internal current limiting and safe area protection
Applications
The L7815ABP is suitable for a variety of applications requiring a stable 15V power supply. These include:
- Local on-card regulation in electronic devices
- Power supplies for industrial and consumer electronics
- Automotive systems requiring robust voltage regulation
- Medical devices needing reliable power supply
- Telecommunication equipment
Q & A
- What is the output voltage of the L7815ABP?
The output voltage of the L7815ABP is 15 V.
- What is the maximum output current of the L7815ABP?
The maximum output current of the L7815ABP is up to 1.5 A.
- What types of protection does the L7815ABP have?
The L7815ABP has thermal overload protection, short circuit protection, and output transition SOA protection.
- In what package is the L7815ABP available?
The L7815ABP is available in the TO-220FP package.
- What is the operating temperature range of the L7815ABP?
The operating temperature range of the L7815ABP is -40°C to 125°C.
- What is the storage temperature range of the L7815ABP?
The storage temperature range of the L7815ABP is -65°C to 150°C.
- Does the L7815ABP have internal current limiting?
Yes, the L7815ABP has internal current limiting.
- Can the L7815ABP be used for adjustable voltage regulation?
Yes, the L7815ABP can be used with external components to obtain adjustable voltage and currents.
- What is the quiescent current of the L7815ABP?
The quiescent current of the L7815ABP is typically 8 mA at TJ = 25°C.
- What are some common applications of the L7815ABP?
The L7815ABP is commonly used in local on-card regulation, power supplies for industrial and consumer electronics, automotive systems, medical devices, and telecommunication equipment.
